睿丰德科技 专注RFID识别技术和条码识别技术与管理软件的集成项目。质量追溯系统、MES系统、金蝶与条码系统对接、用友与条码系统对接

x86平台有ldd可以很方便的查看对库的依赖关系，但在嵌入式linux环境中没有这个命令，替而代之是

CC=$(CROSS_COMPILE)gcc

LDD=$(CROSS_COMPILE)readelf

范例

 

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1. $(CROSS_COMPILE)readelf -d SDKDemo_video   
2. Dynamic section at offset 0x1a88 contains 22 entries:  
3.   Tag        Type                         Name/Value  
4.  0x00000001 (NEEDED)                     Shared library: [libtxdevicesdk.so]  
5.  0x00000001 (NEEDED)                     Shared library: [libpthread.so.0]  
6.  0x00000001 (NEEDED)                     Shared library: [libdl.so.0]  
7.  0x00000001 (NEEDED)                     Shared library: [libstdc++.so.6]  
8.  0x00000001 (NEEDED)                     Shared library: [libc.so.0]  
9.  0x0000000c (INIT)                       0x87cc  
10.  0x0000000d (FINI)                       0x96d0  
11.  0x00000019 (INIT_ARRAY)                 0x11a7c  
12.  0x0000001b (INIT_ARRAYSZ)               4 (bytes)  
13.  0x0000001a (FINI_ARRAY)                 0x11a80  
14.  0x0000001c (FINI_ARRAYSZ)               4 (bytes)  
15.  0x00000004 (HASH)                       0x8108  
16.  0x00000005 (STRTAB)                     0x84ec  
17.  0x00000006 (SYMTAB)                     0x824c  
18.  0x0000000a (STRSZ)                      512 (bytes)  
19.  0x0000000b (SYMENT)                     16 (bytes)  
20.  0x00000015 (DEBUG)                      0x0  
21.  0x00000003 (PLTGOT)                     0x11b60  
22.  0x00000002 (PLTRELSZ)                   224 (bytes)  
23.  0x00000014 (PLTREL)                     REL  
24.  0x00000017 (JMPREL)                     0x86ec  
25.  0x00000000 (NULL)                       0x0  

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